So I Lied A Thriller

Jocelyn is ready to get married―and more ready to have fun. She plans a bachelorette trip to North Wales, where she can forget about her strained relationship and focus on the tension among friends instead. It's a welcome distraction.
Her friend Rowan used to be the wild child. But after having a kid of her own and losing the father in a tragic accident, she's now the ever-responsible single mother, cautious in every way. Except one.
Cadence doesn't want to be there. For as long as she's known her friends, she's always felt disparate. Maybe it's because those two share a special bond: Jocelyn's brother was Rowan's boyfriend, and they still feel his loss. Or maybe it's because Cadence has secrets they can never know.
As the trip goes on, their friendship begins to crack under the pressure of all the things they leave unsaid...but those might be the only things that can save them.