Charles Singh

A Pennsylvania highway construction worker in rural Pennsylvania is mysteriously drawn into an underground tunnel filled with human remains. When it appears that the disappearance is not an isolated incident, the team travels to the scene to search for evidence. Meanwhile, Walter attempts to simulate travel between realities on frogs.

The town blames Elsa when a fatal icy spell is cast on Marian, not knowing that another resident has the same powers, and Mary Margaret struggles to balance motherhood and leading the town.

Erica takes charge of the Fifth Column, and leads its members in a risky attack on Anna, who finds an obstruction in her plan to destroy humanity. Meanwhile, Ryan sneaks back onto the Mothership in a bid to rescue his daughter.

Erica visits Hong Kong on a revenge mission against Anna, who learns that Tyler may become useless to her as his phosphorous level is too low. Meanwhile, Lisa and Diana bond as they begin to form an alliance.