WILMINGTON, N.C. — Inside a 10-foot-tall cylinder a few miles from the beach, actress Britt Robertson is chained to a bedpost.
The petite 23-year-old is being held captive by her (fictional) ex-boyfriend, a possessive young man named Junior who's played, with a kind of hair-swooping spaciness, by newcomer Alex Koch.
"I brought you some eggs," Koch tells Robertson in the scene, sounding at once nurturing and creepy.
Her wrists tightly bound, Robertson nonetheless lets her face soften from anger to seduction and helps him dress a wound. Koch replies with an attempt at reassurance. "Everything will go back to the way it was," he says, "as soon as we...