Drama: It’s A Sin, Channel 4, 9pm

As Ritchie and Jill embark on a scheme to become professional actors, Colin is excited to be offered a trip to New York. Meanwhile Roscoe hides his fury when he finds himself excluded from his sister’s wedding, while Jill finds herself entering a world of mystery and fear. The stories in the headlines are becoming true, and the shadow of aids looms. Drama, with Olly Alexander and Lydia West (above).