The final night of Linda and Micky's celebratory wedding anniversary cruise takes an unexpected turn, changing their lives and that of their children forever.

Girlfriends is a contemporary story of Linda, Sue and Gail as they struggle with the responsibilities and inevitable changes that come with being a modern woman of a certain age.

A terrified Linda is questioned on suspicion of cuddleing her husband Micky, but Gail and Sue unearth the shocking truth behind Carole's accusations.

Gail reaches breaking point and sets out to find her grandson and bring him home. Meanwhile, Linda is horrified to find out that a revenge-seeking Carole has broken into her home, and knowing how mentally unstable Carole is, Linda, Sue and Gail are terrified to find out just how far she will go when pushed to the edge.

Linda's shock revelation leaves Gail and Sue reeling, and with the prospect if Micky's body being found in Spain on her mind, she takes drastic action that sends her friends and family into chaos. Meanwhile, Sue's plans for a new business venture are overshadowed when she runs into John's wife Beth and learns that not all is well with John. Elsewhere, Sue's son Andrew is forced to come face-to-face with his father and his family. Drama, starring Phyllis Logan, Miranda Richardson and Zoe Wanamaker.

The memories of the fateful cruise flood back to haunt Linda as she, Sue and Gail arrive in Spain to identify Micky's body. Meanwhile, a shock revelation brings unexpected chaos.