Barry and the team ally with the kidnapped Captain Cold's sister, but Barry feels duped when he learns Snart is working on something with his father; Joe faces a difficult decision.
When Barry and the team find out Captain Cold has been kidnapped, they form an uneasy alliance with his sister, Lisa; however, Barry feels double-crossed when he finds Snart working with his father, Lewis Snart, on a heist. Meanwhile, Joe is faced with a difficult decision.
Lisa Snart's report on the kidnapping of Leonard Snart (Captain Cold) interests Barry and his team, till Barry finds Leonard working openly with his criminal father, Lewis. As the team works to break Lewis' hold over his son, they also labor to stabilize a wormhole found in the S.T.A.R. Labs basement so Jay can return home to Earth Two. Joe, meanwhile, has to man up to an old lie told to Iris.—statmanjeff