Grace must face the verdict of the internal affairs review board. Jimmy believes one of his sons is dead. Grace tries to comfort Jimmy. Grace's fingerprints are discovered on a gun.
Bea is caught up in the brutal rivalry between Franky and Jacs while Erica struggles to gain the support of the officers.
The MythBusters get down and dirty to test if using a bathroom's hand dryer is better than a paper towel and which public restroom stall is the cleanest. They also shake, rattle and roll to test if it's better to stand in the doorway during an earthquake.
Oliver and Diggle race to stop the Dark Archer from unleashing his vengeance on The Glades. However, they run into a roadblock after Detective Lance picks up Felicity for questioning. Tommy and Oliver's already tumultuous relationship takes a turn for the worse after Oliver makes a confession about Laurel. After hearing of the danger in The Glades, Thea races to find Roy, inadvertently putting herself directly in the line of fire for Malcolm's devious plan. On the island, Oliver, Slade and Shado are locked in a life-or-death struggle against Fyers as his missiles lock on a full Ferris Air jetliner.
Lucie and Darren have a heritage property they love, but a deck that Lucie can’t stand. Darren built the deck with some friends 20 years ago, but hasn’t been able to maintain it. After one of their friends put their foot through a “soft” spot in the deck last summer, Lucie decided she needed to call in some help. Through some tough love, and a lot of laughs, Paul and his crew help Darren take his deck from disaster to dream.
John discovers something spooky in a family's basement. The team also investigate a seminary that's allegedly haunted.
The police start arresting people based on Lua's evidence. Mele skips school.
Tarek and Christina El Moussa buy a short sale home and give it a facelift.
Tarek and Christina El Moussa try to flip a home but find toxic mold.
The buyers venture out to El Monte, CA. The Harris Brothers go into stealth mode. Jarrod and Brandi find their sense of charity. Barry unearths a bag that has him hitting the slopes. And Darrell discovers a big pole...
The buyers head to Inglewood, CA. Barry shows up with his motorcycle...and with plans to be triumphant. Herb and Mike find something that is music to their ears. Jarrod and Brandi use old tricks on the new buyers.
Cece's wedding day finds Jess and Nick making a decision about their relationship. Meanwhile, Schmidt schemes with a typically overenthusiastic Winston to sabotage the nuptials, although a shocking announcement may be bigger than anything he plans.
Blue helps Keira prepare for an audition, resulting in an intimate “first” moment for the couple. Meanwhile, after Tasha tells Rick her intentions to break things off with Pookie, she is caught off guard by an impromptu proposal instead.
Bill and Jen are just days away from picking up their son from China.
Jen and Bill reflect on their journey as they leave for China to pick up their adopted son.
Daffy takes piano lessons from Granny. As a result, Bugs gets noise-cancelling earbuds and quickly realizes he can tune out everything.
It seems Chatsworth may never be the same again when Mimi announces her plans to retire and move to Wilmslow to dedicate her life to charity.
The gang try to teach Robin to relax after his high-strung nature begins affecting the team. Later, chores pile up while the team bicker, and soon their dirty uniforms go on the offensive.