Summer is here, and down in Cornwall Lorna's holiday cottages are fully booked. The sun loungers are lined up beside the swimming pool, the sky is blue and a new set of arrivals are on their way...

Em's planned the perfect break with her teenagers plus her new boyfriend, George... but now his difficult six-year-old is coming too. Will their romance survive the realities of parenthood?

Maggie's hoping a seaside holiday will bring her and her daughter closer together, but when her ex makes a surprise reappearance, it changes everything. Can she trust the man who broke her heart?

Olivia has escaped the domestic grind, only for the past to catch up with her. Maybe the time has come to confess all - if she can find the courage...

Meanwhile, the teenagers are running wild and love is in the air. With friendship, heartache and secrets in the mix, will this holiday turn out to be a scorcher - or simply too hot to handle?