After learning Dave and Gemma occasionally see a couples therapist to keep their marriage strong, Tina decides she and Calvin should do the same, to Calvin’s consternation.

After their first real fight, Chuck avoids confronting Sarah by going on a rogue mission that leads him to his mom’s MI-6 handler, Gregory Tuttle, and a mysterious Russian agent….

As Derek and April work around the clock to find a solution for the hospital, Cristina struggles to respect the wishes of a family whose son is dying. Meanwhile, Arizona…

In an attempt to lure the sisters out of the manor, Zankou sends his underlings to attack Leo, in order for him to search the house for the Nexus and…