A lawyer decides to defend her teenage client charged with murder as an adult with the claim that he's violent because of a genetic predisposition due to an extra Y chromosome.

Alan Gordon, Anna Alvim, Barbara Eda-Young, Ben Shenkman, Helen Gallagher, James Madino, Kitty Chen, Laurence Mas, Lillias White, Lily Knight, Matthew Arkin, Melissa Fraser Brown, Michael Cullen, Rose Anna Mineo, Shona Tucker, Sugar Johnson, Vivienne Benesch, Wil Horneff