Not much has yet been revealed about the tournament in question besides the three seeds, the size of the tournament and a small teaser video.
TeamLiquid Starleague 4 will once again be a 32-player tournament. Three of the players--TSL 3 champion Thorzain, runner-up Naniwa and bronze medalist Kas--come as seeds. The remaining 29 will qualify from TL Open tournaments, eighteen of which will be from Europe and North America and eleven from Korea and Asia.
No information on dates, prize money or tournament format has been given but more details are to come soon.
Source: Team Liquid