The series centres on five lively penguins, each with distinctive personalities. Life on the iceberg throws up lots of challenges and along the way these flippered friends learn about life, friendship, and above all, themselves.

Jenny, a single mother raising two daughters after her husband leaves, is aided by her mother, Mary. But Jenny struggles to stay afloat after Mary suffers a string of medical issues.

A hardworking nurse who loses her job for whistle-blowing is forced to take drastic measures to provide for her daughter.

Bonded by insomnia, best friends Lisa and Danny stay connected to each other late into the night and find their way through a world of wonderfully weird surprises as their relationship deepens.

Set on a train from Glasgow to London, a government agency intervenes in escalating events onboard. Two strangers work together to save passengers as the train hurtles towards disaster.