Frank and Emma investigate a family of identical women who are apparently being killed off.

Sabrina gets jealous when Mr. Kraft's assignment calls for the students to pair up and pretend to be married and Libby makes sure that Harvey is her partner.

The Tok'ra decide that Earth hasn't anything to offer them so they say no to becoming Earth's ally. Sam is warned that her father is dying and she sees that the only way to save him is if he becomes a host to a Tok'ra called Selmak so she proposes that to the Tok'ra council in hopes that she can save her father and convince the Tok'ra to join with Earth.

Sunny tasks Josh with putting some money on a horse for him but emergency call outs delay this task as Max gets a call about his drug addict son Frank.