Stefan and Damon decide on a new plan to deal with Katherine at the Lockwood's masquerade ball. Things take an ugly turn when Matt and Tyler start doing shots with their friends.
Atwater's reactions during a tense arrest are called into question. The team must dig in to uncover key evidence that could aid in the ongoing investigation and clear Atwater's name.
Following a tip about smuggled weapons, Bishop and Torres engage in a shootout in a former sheriffs residence thats now a historical site, only to find themselves locked in abandoned jail cells there.
Andrea and Mike get self-help books and therapy to make sure their relationship is still on track, and Andrea tries to juggle being a mom and a comedy writer.
Avery and her team investigate a new cyber threat that allows arsonists a less traceable method of starting fires in homes. Meanwhile, Elijah's ex-wife informs him she's starting a new job out of town and wants to take their daughter with her.