Looking back thousands of times in the past life is exchanged for passing by each other in this life; passing by each other thousands of times in the past life is exchanged for like-minded people in this life. There is always a thread of fate that touches our hearts, our love, let us get together, get acquainted, and get to know each other... Spend some beautiful youth time together. When we are full of gray hair, looking back, there will always be a happy smile to relax the wrinkles. Four girls, from all over the world, come to this place because of their common pursuit of knowledge. They entered the same university and lived together in dormitory 425 by fate. They enriched their college life with their personalities and flaunted their youth... They also had their worries, study, life, friendship, love, family... But they made life more intricate and beautiful... The girls in dormitory 425 are... Crazy...