“Bad Sisters” season two returns to follow the lives of the Garvey sisters played by Sharon Horgan as Eva, Anne-Marie Duff as Grace, Eva Birthistle as Ursula, Sarah Greene as Bibi and Eve Hewson as Becka. Two years after the “accidental death” of Grace’s abusive husband, the close-knit Garvey sisters may have moved on, but when past truths resurface, the ladies are thrust back into the spotlight, suspicions are at an all-time high, lies are told, secrets revealed and the sisters are forced to work out who they can trust.