Lily and Tina - Work break disaster

Lily and Tina are taking a break from the office and have gone out onto the stairwell to complain about their boss. They both need a visit to the bathroom, but that means going past the boss's office, so they decided to hold it for a while. Disaster strikes when they try to re-enter the office area - the door is locked. Tina tries the floor below but that door has been locked too, evidently by building security. No one seems to know they are in the stairwell, and it is not part of the prescribed exit route if an emergency occurs. The girls try to wait it out, but their bladders are extremely full. Try as they may to hold on and spare themselves the humiliation of being found with wet pantyhose, they both lose control and wet themselves, leaving very visible pee streaks down their legs.