Ski Girls tells about four friends who have visited different ski resorts every year since their youth. They call themselves Ski Girls, even though they never ski and can no longer be called girls either. This time they are reunited for Emma's wedding. Emma's fifth wedding, that is. Their friendship will be tested as the other Ski Girls decide to stop Emma from making another mistake by getting married.
Temporarily homeless Jarna is in the deepest trouble of his life. Debtors have come to collect old drug debts and Jarna is given 24 hours to pay up, setting off a frantic, amphetamine fueled battle against time. Manic speed, fear of killers on his tail, paranoia and self-loathing over old wrongs eventually lead to a traffic accident. Jarna can no longer escape, his pace slows and he is on the verge of giving up. The moment has come when a near-lifetime of running must come to an end.
The approaching baptism of his ex-wife's new baby destroys Antti's ability to function and puts him in catatonic state. Tuomas and Nippe take action to cheer him up and decide to take him on a singles cruise.
Sampo introduces his girlfriend Heli for the first time to his whole family at his parent´s wedding anniversary party. As the night goes on, they learn new and unexpected traits of each other.