Eve's attempts to help her sister KT pass for human are derailed by Katherine.

Rebecca and Nick take Will to Calimov to run tests on him.

Cain and Michael Hoffman go to the Clarke house. Will Eve be able to evade discovery?

Will struggles to control his nanobots and his feelings for Lily.

Having been possessed by Mary, Eve is on high alert. Meanwhile, Abe has to deal with the arrival of his grandma.