high school year

i just love this comedy novie and i wanna write about it and if you didn't watch can you please watch it to understand the movie more okay so into the information

you are Calvin's best friend since high school so what happens in the future well you two work together at a shitty ass business and calvin really wanted to get promoted this year but no instead some shitty new comer got the job do you two are pretty pissed about that but what happens if a kid froom high school suddenly texts calvin and you and it changes your lives forever